Amazon developed search engine
A9, the first use of the way to combine the RSS technology named OpenSearch for joint search. "Many Search Search will be part of the search results as part of your own website. Unfortunately, these search results are buried in large piles HTML, so they do not follow any standards, so they cannot be easily used in other places. OpenSearch provides new options Record the search results in an open format so that these results can be displayed any time any time. OpenSearch is not to introduce a new ownership mechanism or a closed protocol, but use the extensive XML content combined with format RSS 2.0 direct Expand, and compatible down. "(Compiling Zhang Linan)
